Refactor util/mkdef.pl for clearer separation of functionality

Move the .num updating functionality to util/mknum.pl.
Rewrite util/mkdef.pl to create .def / .map / .opt files exclusively,
using the separate ordinals reading module.
Adapt the build files.
Adapt the symbol presence test.
Reviewed-by: NTim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7191)

Configurations/descrip.mms.tmpl

@@ -760,7 +760,7 @@ reconfigure reconf :
           my $mkdef = sourcefile('util', 'mkdef.pl');
           return <<"EOF";
 $target : $args{generator}->[0] $deps
-	\$(PERL) $mkdef $args{generator}->[1] "VMS" > $target
+	\$(PERL) $mkdef --ordinals $args{generator}->[0] --name $args{generator}->[1] "--OS" "VMS" > $target
 EOF
       } elsif ($target !~ /\.[sS]$/) {
           my $target = $args{src};

Configurations/unix-Makefile.tmpl

@@ -810,8 +810,8 @@ errors:
           done )
 
 ordinals:
-	( b=`pwd`; cd $(SRCDIR); $(PERL) -I$$b util/mkdef.pl crypto update )
-	( b=`pwd`; cd $(SRCDIR); $(PERL) -I$$b util/mkdef.pl ssl update )
+	( b=`pwd`; cd $(SRCDIR); $(PERL) -I$$b util/mknum.pl crypto update )
+	( b=`pwd`; cd $(SRCDIR); $(PERL) -I$$b util/mknum.pl ssl update )
 
 test_ordinals:
 	( cd test; \
@@ -965,7 +965,7 @@ reconfigure reconf:
           (my $mkdef_os = $target{shared_target}) =~ s|-shared$||;
           return <<"EOF";
 $target: $args{generator}->[0] $deps
-	\$(PERL) \$(SRCDIR)/util/mkdef.pl $args{generator}->[1] $mkdef_os > $target
+	\$(PERL) \$(SRCDIR)/util/mkdef.pl --ordinals $args{generator}->[0] --name $args{generator}->[1] --OS $mkdef_os > $target
 EOF
       } elsif ($args{src} !~ /\.[sS]$/) {
           if ($args{generator}->[0] =~ m|^.*\.in$|) {

Configurations/windows-makefile.tmpl

@@ -514,7 +514,7 @@ reconfigure reconf:
                               rel2abs($config{builddir}));
           return <<"EOF";
 $target: $args{generator}->[0] $deps
-	\$(PERL) $mkdef $args{generator}->[1] 32 > $target
+	\$(PERL) $mkdef --ordinals $args{generator}->[0] --name $args{generator}->[1] --OS windows > $target
 EOF
       } elsif ($args{src} !~ /\.[sS]$/) {
           my $target = $args{src};

build.info

 {-
+     use File::Spec::Functions;
+
      our $sover = $config{shlib_version_number};
      our $sover_filename = $sover;
      $sover_filename =~ s|\.|_|g
@@ -28,8 +30,8 @@ IF[{- defined $target{shared_defflag} -}]
   SHARED_SOURCE[libcrypto]=libcrypto.ld
   SHARED_SOURCE[libssl]=libssl.ld
 
-  GENERATE[libcrypto.ld]=util/libcrypto.num crypto
-  GENERATE[libssl.ld]=util/libssl.num ssl
+  GENERATE[libcrypto.ld]=util/libcrypto.num libcrypto
+  GENERATE[libssl.ld]=util/libssl.num libssl
 ENDIF
 
 IF[{- $config{target} =~ /^(?:Cygwin|mingw|VC-)/ -}]

test/recipes/01-test_symbol_presence.t

@@ -49,8 +49,9 @@ foreach my $libname (@libnames) {
         my @def_lines;
         indir $bldtop => sub {
             my $mkdefpath = srctop_file("util", "mkdef.pl");
-            @def_lines = map { s|\R$||; $_ } `$^X $mkdefpath $libname linux 2> /dev/null`;
-            ok($? == 0, "running 'cd $bldtop; $^X $mkdefpath $libname linux' => $?");
+            my $libnumpath = srctop_file("util", "lib$libname.num");
+            @def_lines = map { s|\R$||; $_ } `$^X $mkdefpath --ordinals $libnumpath --name $libname --OS linux 2> /dev/null`;
+            ok($? == 0, "running 'cd $bldtop; $^X $mkdefpath --ordinals $libnumpath --name $libname --OS linux' => $?");
         }, create => 0, cleanup => 0;
 
         note "Number of lines in \@nm_lines before massaging: ", scalar @nm_lines;